21 December 2020, 02:15
AtkinsonNeed data on loading the 7x57 with CFE223
Can't seem to find any data on CFE223 loads in the 7x57..Im thinking it would be a great powder??Anyone used it, if so what were your loads.
21 December 2020, 06:38
richjno experience, some QL with lower pressure and 20" barrel
Sierra 140 BTSP
Hodgdon CFE223
Fill Ratio - 82.7
Charge - 46.5
Vel - 2759
Prop.Burnt - 99.4
PSI - 49494
Sierra 140 SP 1910
Hodgdon CFE223
Fill Ratio - 77.6
Charge - 43.7
Vel. - 2540
Prop.Burnt - 97.5
PSI - 42000
21 December 2020, 08:30
Lamarthink H-335 type powder Ray.
MR-3000 looks like a good one in the old war horse.
doubt there's any data around for it at anything approaching modern pressures though.